BR112021012462A2 - Dispositivo e método de codificação de vídeo - Google Patents

Dispositivo e método de codificação de vídeo Download PDF

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Publication number
BR112021012462A2
BR112021012462A2 BR112021012462-4A BR112021012462A BR112021012462A2 BR 112021012462 A2 BR112021012462 A2 BR 112021012462A2 BR 112021012462 A BR112021012462 A BR 112021012462A BR 112021012462 A2 BR112021012462 A2 BR 112021012462A2
Authority
BR
Brazil
Prior art keywords
hmvp
list
candidate
motion
prediction
Prior art date
Application number
BR112021012462-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Xiaoyu Xiu
Yuwen He
Jiancong Luo
Original Assignee
Vid Scale, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vid Scale, Inc. filed Critical Vid Scale, Inc.
Publication of BR112021012462A2 publication Critical patent/BR112021012462A2/pt

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112021012462-4A 2018-12-29 2019-12-19 Dispositivo e método de codificação de vídeo BR112021012462A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862786429P 2018-12-29 2018-12-29
US62/786,429 2018-12-29
PCT/US2019/067639 WO2020139717A1 (en) 2018-12-29 2019-12-19 History-based motion vector prediction

Publications (1)

Publication Number Publication Date
BR112021012462A2 true BR112021012462A2 (pt) 2021-09-08

Family

ID=69191247

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021012462-4A BR112021012462A2 (pt) 2018-12-29 2019-12-19 Dispositivo e método de codificação de vídeo

Country Status (8)

Country Link
US (2) US20220078406A1 (ja)
EP (1) EP3903496A1 (ja)
JP (1) JP2022516091A (ja)
KR (1) KR20210118068A (ja)
CN (1) CN113316936A (ja)
BR (1) BR112021012462A2 (ja)
TW (1) TW202032986A (ja)
WO (1) WO2020139717A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7308428B2 (ja) 2019-03-08 2023-07-14 合同会社ＩＰ Ｂｒｉｄｇｅ１号 画像符号化装置、画像符号化方法及び画像符号化プログラム
WO2023198075A1 (en) * 2022-04-13 2023-10-19 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101630688B1 (ko) * 2010-02-17 2016-06-16 삼성전자주식회사 움직임 예측 장치 및 방법과 영상 처리 장치
WO2013077659A1 (ko) * 2011-11-24 2013-05-30 에스케이텔레콤 주식회사 모션 벡터의 예측 부호화/복호화 방법 및 장치
US9479778B2 (en) * 2012-08-13 2016-10-25 Qualcomm Incorporated Device and method for coding video information using base layer motion vector candidate
US20140071235A1 (en) * 2012-09-13 2014-03-13 Qualcomm Incorporated Inter-view motion prediction for 3d video
US9357214B2 (en) * 2012-12-07 2016-05-31 Qualcomm Incorporated Advanced merge/skip mode and advanced motion vector prediction (AMVP) mode for 3D video
US11477477B2 (en) * 2015-01-26 2022-10-18 Qualcomm Incorporated Sub-prediction unit based advanced temporal motion vector prediction
AU2019364883B2 (en) * 2018-10-24 2023-07-20 Huawei Technologies Co., Ltd. A method and an apparatus for determining motion information for a current block, a method and an apparatus for constructing and updating a history-based motion vector predictor list, and non-transitory computer-readable storage medium, and video encoding/decoding methods and apparatus
US11394989B2 (en) * 2018-12-10 2022-07-19 Tencent America LLC Method and apparatus for video coding
WO2020130617A1 (ko) * 2018-12-18 2020-06-25 엘지전자 주식회사 비디오 데이터를 처리하기 위한 방법 및 장치
US10855992B2 (en) * 2018-12-20 2020-12-01 Alibaba Group Holding Limited On block level bi-prediction with weighted averaging

Also Published As

Publication number Publication date
US20220078406A1 (en) 2022-03-10
TW202032986A (zh) 2020-09-01
CN113316936A (zh) 2021-08-27
KR20210118068A (ko) 2021-09-29
WO2020139717A8 (en) 2021-08-05
JP2022516091A (ja) 2022-02-24
EP3903496A1 (en) 2021-11-03
WO2020139717A1 (en) 2020-07-02
US20240089427A1 (en) 2024-03-14

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